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Manipulation of Vortices to control the Chiral Andreev Edge States

ORAL

Abstract

At the interface between a superconductor and a quantum Hall (QH) region, the QH edge states are proximitized to form the chiral Andreev edge states (CAES). We have previously shown that the interference of CAES is highly sensitive to the configuration of the vortices in the superconductor. By modifying the design of the superconducting electrode, we can manipulate the configuration of vortices, which allows us to both explore the properties of the CAES and to use the non-local CAES interference as an effective probe of the vortex configuration. The study and control of the vortices and the CAES are an important step in the development of chiral superconducting devices.

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Presenters

  • Jordan McCourt

    Duke University

Authors

  • Jordan McCourt

    Duke University

  • Chun-Chia Chen

    Duke University

  • Lingfei Zhao

    Duke University

  • Kenji Watanabe

    National Institute for Materials Science, Research Center for Functional Materials, National Institute of Materials Science, Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-044, Japan, NIMS, Research Center for Functional Materials, National Institute for Materials Science, National Institute for Materials Science, Japan, Research Center for Functional Materials, National Institute for Materials Science, Tsukuba, Japan, NIMS Japan

  • Takashi Taniguchi

    National Institute for Materials Science, Kyoto Univ, International Center for Materials Nanoarchitectonics, National Institute of Materials Science, Kyoto University, International Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-044, Japan, International Center for Materials Nanoarchitectonics, National Institute for Materials Science, National Institute for Materials Science, Japan, National Institute For Materials Science, NIMS, National Institute for Material Science, International Center for Materials Nanoarchitectonics, National Institute for Materials Science, Tsukuba, Japan, NIMS Japan

  • Francois Amet

    Appalachian State University

  • Gleb Finkelstein

    Duke University